[INFO] crate ensured_bufreader 0.2.0 is already in cache
[INFO] testing ensured_bufreader-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ensured_bufreader 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ensured_bufreader 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ensured_bufreader 0.2.0
[INFO] finished tweaking crates.io crate ensured_bufreader 0.2.0
[INFO] tweaked toml for crates.io crate ensured_bufreader 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] defa51551ce034748988eadbf82552b79228cdf6beaa3a24d0778a04537fcb79
[INFO] running `"docker" "start" "-a" "defa51551ce034748988eadbf82552b79228cdf6beaa3a24d0778a04537fcb79"`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "defa51551ce034748988eadbf82552b79228cdf6beaa3a24d0778a04537fcb79"`
[INFO] running `"docker" "rm" "-f" "defa51551ce034748988eadbf82552b79228cdf6beaa3a24d0778a04537fcb79"`
[INFO] [stdout] defa51551ce034748988eadbf82552b79228cdf6beaa3a24d0778a04537fcb79
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bb60ebb125497c678b02256bc446cd0f0042df09c4c171bda03844299fd4fb9
[INFO] running `"docker" "start" "-a" "6bb60ebb125497c678b02256bc446cd0f0042df09c4c171bda03844299fd4fb9"`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "6bb60ebb125497c678b02256bc446cd0f0042df09c4c171bda03844299fd4fb9"`
[INFO] running `"docker" "rm" "-f" "6bb60ebb125497c678b02256bc446cd0f0042df09c4c171bda03844299fd4fb9"`
[INFO] [stdout] 6bb60ebb125497c678b02256bc446cd0f0042df09c4c171bda03844299fd4fb9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a09454b3fd450cc8dbf4ed970b0f8c67add3e862cc72840943f208ba81d4a8b
[INFO] running `"docker" "start" "-a" "9a09454b3fd450cc8dbf4ed970b0f8c67add3e862cc72840943f208ba81d4a8b"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ensured_bufreader-226ca48ad728a161
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/api_tests-446cd7edb57458c7
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fill_buf_to_expected_size_returns_error_when_expected_size_is_too_large ... ok
[INFO] [stdout] test fill_buf_short ... ok
[INFO] [stdout] test works_with_given_buffer ... ok
[INFO] [stdout] test fill_buf_long ... ok
[INFO] [stdout] test read_long ... ok
[INFO] [stdout] test ensure_is_0_not_allowed_with_capacity_and_ensure ... ok
[INFO] [stdout] test capacity_is_smaller_than_ensure_not_allowed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ensured_bufreader
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, &'_ mut [u8]>::from_mut_ref_and_ensured_size (line 176) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, &'_ mut [u8]>::from_mut_ref (line 143) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_ENSURED_BYTES (line 35) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_BUFFER_SIZE (line 16) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::get_capacity (line 362) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::fill_buf_to_expected_size (line 317) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::fill_buf_to_expected_size (line 298) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::buffer (line 262) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::get_ensured_size (line 382) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, Vec<u8>>::with_capacity_and_ensured_size (line 100) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, Vec<u8>>::new (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9a09454b3fd450cc8dbf4ed970b0f8c67add3e862cc72840943f208ba81d4a8b"`
[INFO] running `"docker" "rm" "-f" "9a09454b3fd450cc8dbf4ed970b0f8c67add3e862cc72840943f208ba81d4a8b"`
[INFO] [stdout] 9a09454b3fd450cc8dbf4ed970b0f8c67add3e862cc72840943f208ba81d4a8b